Model: P550B Type: Intel Form Factor ATX 12V v2.31 PFC: Active PFC(>0.9 typical) Input Voltage: 100-240 Vac(full range) Input Current: 8-4 A Input Frequency: 60-50 Hz Output Capacity: 550W Dimension: 150 x 140 x 86 mm Fan Type: 120mm Hydraulic Bearing (HYB) Fan 80 PLUS: Bronze Efficiency: 85% at typical load MTBF: >100,000 hours Protection: OVP/OPP/SCP/UVP/OCP/OTP Power Good Signal: 100-500ms Hold Up Time: >16ms Cable Type: Flat, All black Connectors: ATX/MB 20+4 Pin x 1 : 550mm*1 CPU/EPS 4+4 Pin x 1 : 600mm*1 PCI-e 6+2 Pin x 2 : 550mm+150mm*1 SATA x 6 : 500mm+120mm+120mm*2 4 Pin Peripheral x 3 + 4-Pin floppy x 1 : 500mm+120mm+120mm+120mm*1